The non-convergence of nontrivial positive solution of the equations is proved by direct computation method.
考虑一类非线性时滞差分方程，用直接计算的方法，证明了它的所有非平凡正解都是发散。
Nonlinear ordinary differential systems boundary value problems cone fixed point index theory positive solution.
常微分方程组边值问题锥不动点指数理论正解。
Chapter 3 concerns positive solution of impulsive periodic boundary value problem and singular impulsive boundary value problem.
第三章研究了脉冲微分方程周期边值问题正解和奇异边值正解的存在性。
We show that the positive solution of the associated stochastic differential equation does not explode to infinity in a finite time.
本文给出了随机微分方程存在唯一正解，且解在有限时间内不爆破。
Fractional boundary value problem has come into a wider use in many fields and is of practical value only after positive solution occurs.
分数阶边值问题被广泛应用于各种领域，而只有正解才有实际意义。
The two iterative schemes of symmetric positive solution are studied for a two-point boundary value problem by the help of monotonic technique.
对一类两点边值问题给出了对称正解的两种单调迭代格式，主要工具是单调算子迭代技巧。
The existence of solution and positive solution is considered for a fourth-order nonlinear elastic beam equation with derivatives of all orders.
考察了一类非线性四阶弹性梁方程的解和正解的存在性。
The existence of solution and positive solution is considered for a fourth-order nonlinear elastic beam equation with derivatives of all orders.
考察了含有各阶导数的一个4阶非线性弹性梁方程的解和正解的存在性。
The existence of positive solution is proved for a class of sublinear fractional differential equations where the nonlinear terms subject to the power functions.
证明了一类非线性项受幂函数控制的次线性分数微分方程的正解存在性。
A class of nonlinear delay difference equations is considered. The non-convergence of nontrivial positive solution of the equations is proved by direct computation method.
考虑一类非线性时滞差分方程，用直接计算的方法，证明了它的所有非平凡正解都是发散的。
By making use of monotone iterative technique, the iterative scheme and existence theorem of positive solution are established for a nonlinear second-order boundary value system.
利用单调迭代方法对一个非线性二阶边值系统建立了正解的迭代格式和存在性定理。
The nonexistence theorem of radial positive solution, sufficient conditions of oscillation and boundedness of radial solution and estimation for bounded solution are given in this paper.
给出了问题径向正解的非存在性，解的振荡性及有界性的充分条件，并对有界解进行了估计。
An existence theorem of positive solution is established for a superlinear second-order three-point boundary value problem. Here, the nonlinear term is bounded below and need not be nonnegative.
建立了超线性二阶三个边值问题的一个正解存在定理。这里，非线性项是下有界的并且不需要是非负的。
By employing the fixed point index of condensing mapping, the existence results of positive solution are obtained under two cases, the conclusions extend the results recently achieved in this field.
我们应用凝聚映射的不动点指数理论，分别存两种情形下，获得了一些正解存在的结果，推广了近期这方面已有的一些结果。
By employing the fixed point index of condensing mapping, the existence results of positive solution are obtained under two cases, the conclusions extend the results recently achieved in this field.
我们应用凝聚映射的不动点指数理论，分别存两种情形下，获得了一些正解存在的结果，推广了近期这方面已有的一些结果。
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